Não informado. (1972). Journal of Economics and Business. Temple University, School of Business Administration.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Economics and Business. Philadelphia, Pa: Temple University, School of Business Administration, 1972.
Lua MLA (8ú heag.)Não informado. Journal of Economics and Business. Temple University, School of Business Administration, 1972.
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